During the entire flight, the velocity of the baseball is never negative. The ba

Question

During the entire flight, the velocity of the baseball is never negative. The baseball spends an equal amount of time moving upward and moving downward. During the entire flight, the displacement of the baseball is never negative. During the entire flight, the acceleration of the baseball is negative. In the instant just before the student catches the baseball, the magnitude of the velocity is the same as it was the instant after the student released the baseball. At its highest point, the baseball has zero velocity. At its highest point, the baseball has zero acceleration.

Explanation / Answer

1) F on the way down is negative
2) T voy/g going up and down same, thus total flight time is voy/g*2
3) F y(t)=voy*t-1/2*g*t2
4) F acceration is allows positive
5) T
6) T

7) F acceleration is constant

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